.frame{
    height: 60px;
}
.topm{
    width: 200px;
    height: 60px;
}
.left{
    width: 13%;
    height: 100%;
    overflow: hidden;
}
.index{
    margin-left: 7%;
    width: 92.7%;
    height: 800px;
    margin-top:-400px;
    border: 0px;
}
.icon{
    display: block;
    height: 60px;
    line-height: 60px;
}
.icon:hover ~ .left{
    display: block;
}
